Doctor profile · Federal record

Dr. Zibing Woodward, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Oregon City, OR

  • NPI 1164665758
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1508 Division St, Suite 15
Oregon City, OR 970451582
(503) 692-3750
fax (503) 691-2324
Mailing address
847 Ne 19Th Ave, Suite 300
Portland, OR 972322684

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
August 8, 2016
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Oregon #MD157124
Medicaid
OR #500649075

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164665758. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
368
Distinct HCPCS
8
Medicare allowed
$40,589
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 146 79 $37
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 80 80 $247
99214 Established patient office or other outpatient visit, 30-39 minutes 36 30 $131
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 35 32 $76
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $158
99213 Established patient office or other outpatient visit, 20-29 minutes 20 18 $93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $129
45380 Biopsy of large bowel using a flexible endoscope 14 14 $55

In context: peer comparison

Among 2 peers in this city , average services per provider: 45. This provider delivers 8.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$32
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 1 $31.95

By nature of payment

Food and Beverage
$32

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
486
Patients
232
Total drug cost
$35,680
Drug Type Claims Patients Total cost
Omeprazole Generic 171 70 $3,185
Lansoprazole Generic 63 19 $1,675
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 50 49 $988
Ondansetron Odt (Ondansetron) Brand 31 29 $301
Pantoprazole Sodium Generic 27 0 $618
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 22 22 $453
Linzess (Linaclotide) Brand 21 0 $17,830
Dexlansoprazole Dr (Dexlansoprazole) Brand 19 0 $5,423
Ondansetron Hcl Generic 16 15 $87
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 16 16 $2,705

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zibing Woodward's medical specialty?
Dr. Zibing Woodward practices Gastroenterology Physician in Oregon City, OR.
Where does Dr. Zibing Woodward practice?
Dr. Zibing Woodward practices at 1508 Division St, Oregon City, OR 970451582. Office phone: 5036923750.
What is Dr. Zibing Woodward's NPI?
Dr. Zibing Woodward's National Provider Identifier (NPI) is 1164665758, issued by NPPES.
Does Dr. Zibing Woodward accept Medicare assignment?
Yes. Dr. Zibing Woodward accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zibing Woodward commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.